Our all metal adapter has gold flashed ends and allows you to convert a 2.5mm 4 pole device into a 3.5mm stereo socket.
Most modern devices use a 4 pole connection nowadays. These are identified by the 3 black rings on the tip and usually carry video or microphone signals as well as the standard left and right audio.
Converts 2.5mm 4 Pole device to a standard stereo 3.5mm socket